| 释义 |
ˈwetted, ppl. a.
[f. wet v.]
1. Made wet; moistened, damped.
1615Chapman Odyss. xxii. 561 Clense each boord & Throne With wetted Sponges. 1719Phil. Trans. XXX. 1084, I touch'd the end A with a wetted Finger. 1762Falconer Shipwr. ii. 249 They sound the well, and..Along the line four wetted feet appear. 1774Goldsm. Nat. Hist. VI. 402 The eggs are covered with a tough white skin, like wetted parchment. 1848Mrs. Gaskell Mary Barton xxxiii, He saw her sitting up in bed,..her head bound round with wetted cloths. 1887Harper's Mag. July 170/1 Spreading over it a strip of wetted paper.
2. Aeronaut. Of an aircraft surface: in contact with the moving airflow.
1916F. W. Lanchester Flying Machine from Engin. Standpoint 110 If the direct resistance is properly assessed on the basis of ‘wetted’ surface, whether we call it a surface coefficient or a skin-frictional coefficient is merely a question of terminology. 1958Observer 11 May 13/4 The plan form of the ‘nicked delta’ or delta with the inner middle rear part cut out, was adopted to reduce to a minimum the ‘wetted’ area or part over which air flows, without reducing the part that does useful work. 1983D. Stinton Design of Aeroplane v. 208 When an aeroplane is very clean and highly streamlined, parasite drag may be attributed to skin friction drag... For this we need to work out wetted area. |